Practice on Measuring Temperature of Spontaneous Ignition in Goaf in Jianxin Colliery

The paper introduces the application of the thermometry for the research of spontaneous ignition in Jianxin Colliery,and makes a further study on the regularity of temperature change in the goaf behind the working face in the process of advancement,which has provided the scientific basis for the colliery against the spontaneous ignition.